/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.accumulo.cluster;

import org.apache.accumulo.core.security.SystemPermission;

/**
 * General interface to get user details for an {@link AccumuloCluster}.
 */
public interface ClusterUsers {

  /**
   * The "root" user. A user which has administrative permissions {@link SystemPermission#SYSTEM}
   * and the like.
   */
  ClusterUser getAdminUser();

  /**
   * Get an unprivileged user. Multiple are created
   *
   * @param offset
   *          the user to return
   * @return the user denoted by the given offset
   */
  ClusterUser getUser(int offset);
}
